<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  
  <script type="text/javascript" src="js/axios.js"></script>
  <script type="text/javascript">
    /*
      axios拦截器
    */
    axios.interceptors.request.use(function(config) {
      console.log(config.url)
      config.headers.mytoken = 'nihao';
      return config;
    }, function(err){
      console.log(err)
    })

    axios.interceptors.response.use(function(res) {
      // console.log(res)
      var data = res.data;
      return data;
    }, function(err){
      console.log(err)
    })
    axios.get('http://localhost:3000/adata').then(function(data){
      console.log(data)
    })
  </script>
</body>
</html>